package com.example.tests;

import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;
import java.util.Random;
import org.testng.annotations.Test;
import com.example.utils.SortedListOf;

public class GroupModificationTests extends TestBase {

	@Test(dataProvider = "randomValidGroupGenerator")
	public void modifySomeGroup(GroupData group){
				
		//  save old state
		SortedListOf<GroupData> oldList = app.getGroupHelper().getUiGroups();
		
		Random rnd = new Random();
		int index = rnd.nextInt(oldList.size());
		
		//	actions
		app.getGroupHelper().modifyGroup(index, group);
		
		//  save new state
		SortedListOf<GroupData> newList = app.getGroupHelper().getUiGroups();
		
		//  compare states
		assertThat(newList, equalTo(oldList.without(index).withAdded(group)));
			
	}

}
